64250864 has 10 divisors (see below), whose sum is σ = 124486080. Its totient is φ = 32125424.

The previous prime is 64250861. The next prime is 64250869. The reversal of 64250864 is 46805246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64250861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007824 + ... + 2007855.

It is an arithmetic number, because the mean of its divisors is an integer number (12448608).

Almost surely, 2^64250864 is an apocalyptic number.

It is an amenable number.

64250864 is a deficient number, since it is larger than the sum of its proper divisors (60235216).

64250864 is a wasteful number, since it uses less digits than its factorization.

64250864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015687 (or 4015681 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 64250864 is about 8015.6636655988. The cubic root of 64250864 is about 400.5219519525.

The spelling of 64250864 in words is "sixty-four million, two hundred fifty thousand, eight hundred sixty-four".